Transformers Material used for construction of transformer core is usually Wood Aluminium Silicon steel Copper Wood Aluminium Silicon steel Copper ANSWER DOWNLOAD EXAMIANS APP
Transformers The mutual flux in a transformer remains constant at all loads because ______ Iron core is used Losses are small Leakage flux is small Applied voltage and frequency are constant Iron core is used Losses are small Leakage flux is small Applied voltage and frequency are constant ANSWER DOWNLOAD EXAMIANS APP
Transformers Which of the following acts as a protection against high voltage surges due to lightning and switching? Horn gaps Conservator Thermal overload relays Breather Horn gaps Conservator Thermal overload relays Breather ANSWER DOWNLOAD EXAMIANS APP
Transformers For the parallel operation of single phase transformers it is necessary that they should have same number of turns on the secondary side. same kVA rating same polarity same efficiency same number of turns on the secondary side. same kVA rating same polarity same efficiency ANSWER DOWNLOAD EXAMIANS APP
Transformers A transformer will work on AC as well as DC None of the listed here Ac only Dc only AC as well as DC None of the listed here Ac only Dc only ANSWER DOWNLOAD EXAMIANS APP
Transformers Negative voltage regulation is indicative that the load is inductive only capacitive only inductive or resistive None of these inductive only capacitive only inductive or resistive None of these ANSWER DOWNLOAD EXAMIANS APP